TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 251 of 524

TM 5-2330-378-14&P

4-77. PLANK REPLACEMENT(continued).

NOTE

Clips on the M870 are tack-welded

to semitrailer frame.

If one is damaged or loose,

notify Direct Support maintenance.

3.

Check bolt (3), washer (2), and nut (1). Replace if damaged or rusty.

4.

Repeat steps 1through 3 for

other nuts and bolts in plank.

7

3

M870

6

5.

Remove plank (4) from deck (6).

4

1

5

3

6

7

4

M870AI

5

b.

INSTALLATION

2

1 .

Put plank (4) in deck (6), and check for proper fit.

2.

Have assistant hold plank (4) in place from top side of deck. D(ill 3/8-inch holes from underside of deck using

clips (5) as a guide for proper alignment. Be sure holes are drilled vertically.

3.

Using 7/8-inch drill bit, countersink holes (7) 1/2-inch deep over new bolt holes on top side of plank (4).

4.

From the top side of deck, hammer bolt (3) into plank (4) and clip (5) as far as possible. Repeat for rest of

holes.

NOTE

Washers are used on the M870A1 only.

5.

Install washer (2) and nut (1) on bolt (3). Tighten until bolt is fully seated. Repeat for rest of washers (2) and

nuts (1).

FOLLOW-ON

TASKS:

- None

4-163